From Cppreference
| Defined in header <cstdio>
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| int setvbuf( FILE *stream, char *buffer, int mode, size_t size );
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Sets the internal buffer of the given file stream stream.
Parameters
| stream
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| the file stream to set the buffer to
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| buffer
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| pointer to a buffer for the stream to use
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| mode
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| buffering mode to use. It can be one of the following values:
| _IOFBF
| full buffering
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| _IOLBF
| line buffering
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| _IONBF
| no buffering
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| size
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| size of the buffer
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Return value
(none)
See also
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| sets the buffer for a file stream
(function)
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